Admiralty list of radio signals :   radio aids to navigation, differential GPS (DGPS), legal time, radio time signals and electronic position fixing system, the americas, far east and oceania / 

 - Second edition. 
 - United Kingdom :   The United Kingdom Hydrographic Office ,   2021. 
 - xx, 382 pages, volume 2 :   color maps ;   30 cm.  
<br/><br/> Includes Index.  
<br/><br/><label>ISBN: </label>9780707747088 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio Signals<br/>Marine Navigation.
<br/><br/><label>Dewey Class. No.: </label>623.8932  / A6